This provides a new path for making use of resource and enhancing oil recovery in very low permeability reservoir.
为特低渗透油田提高资源利用率，提高原油采收率闯出了一条新的路子。
W2 fault block is located in the west of the north slope of Gaoyou sag. It belongs to the middle porosity, low permeability to very low permeability reservoir.
W 2断块构造位于高邮凹陷北斜坡西部，属于中孔、低渗—特低渗油藏。
Therefore, the study of low permeability reservoir of CO2 injection ability on improving the efficiency of gas injection is very important.
因此，研究低渗透油藏CO2注入能力对提高注气效率具有非常重要的意义。
Budart Group of Sudert district in Hailaer Basin is a reservoir that has very low porosity, very low permeability, double pore system and it is rich in fracture.
海拉尔盆地苏德尔特地区布达特群是特低孔特低渗双孔隙介质储层，裂缝发育。
In Kuche area, the sandstone reservoir is characterized by low porosity, low permeability and high pressure, and pore texture is complex, so, it is very difficult for reservoir log evaluation.
库车地区砂岩储层以高压低孔隙度低渗透率为显著特征，且储层结构复杂，给储层测井评价带来很大困难。
It is very difficult for the conventional numerical reservoir simulation theories to describe the characteristic of fluid flow in low permeability media, because they are all based on the Darcy's law.
而传统的油藏数值模拟理论都是建立在达西定律之上的，因而它很难反映低渗介质中的流体渗流特征。
The fluid flow properties and mechanism of fluid flow in low-permeability reservoir with fractured sandstones are complicated. The spontaneous imbibition of water is very important for oil recovery.
低渗透裂缝性油田开发比较复杂，其中水的自发渗吸对原油的开采十分有利。
Natural fissure in the low-porosity-and-permeability-zone pays the very important role to the permeability of reservoir.
天然裂缝对低孔低渗透油气藏储层渗透率的贡献很大。
Natural fissure in the low-porosity-and-permeability-zone pays the very important role to the permeability of reservoir.
天然裂缝对低孔低渗透油气藏储层渗透率的贡献很大。
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